How to Choose a Call Answering Service: What to Ask

Call Handling

How to Choose a Call Answering Service: What to Ask

Quick Summary

Work out your call volume first, then compare providers on four things: how they bill, how long they tie you in, what happens to caller data, and how they perform on a real trial. Ignore everything else on the sales page.

Pricing models differ enough that the same call volume can cost £80 or £300 a month
Overage charges of £0.50 to £2.00 per call are where quoted prices and real invoice’s part company
Under UK GDPR you stay legally responsible for caller data, even though someone else handles the calls
Two weeks of real calls tells you more than any review page or case study

What should you work out before ringing anyone?

Get four numbers together first: how many calls you make a month, how long an average call runs, what proportion arrive outside working hours, and what one new customer is worth to you. Without this, every quote will sound reasonable.

This takes about twenty minutes with your phone bill and is the single most useful thing you can do.

The average call length matters more than people expect, because it decides which pricing model suits you. If your calls run ninety seconds, per-minute billing is cheap. If they run eight minutes, the same model is expensive and per-call billing wins.

The out-of-hours proportion matters because that cover is nearly always priced separately, and it is where quotes triple.

How is the pricing structured?

There are four common models, and providers rarely explain which one suits you because that is not their job. The same call volume can cost wildly different amounts depending on which you pick.

Model	Typical UK rate	Watch out for
Per call	£3–£7 a call	Wrong numbers and sales calls being charged
Per minute	£0.75–£1.50	Minimum billable duration, often 60 seconds
Per agent hour	£25–£40	Paying for quiet hours you did not use
Monthly package	Fixed fee	Overage rates once you pass the allowance

The questions that expose the real cost:

What counts as a chargeable call? Ask specifically about wrong numbers, cold callers and hang-ups. Some providers charge for all three.
What is the minimum billable duration? A 20-second call is billed as a full minute changes per-minute math’s considerably.
What happens when I exceed my allowance? Overage typically runs from £0.50 to £2.00 per call. In a busy month that can double your bill.
Is out-of-hours included or extra? Usually extra. Round-the-clock cover often costs £300 or more against £49 to £150 for business hours.
Are bank holidays charged at a premium? Frequently yes, and frequently not mentioned until the invoice arrives.

For fuller cost details and how this compares to hiring, see our guide on what a telephone answering service costs.

What contract terms should you check?

Look at three things: the minimum term, the notice period, and whether prices are fixed for that term. A rolling monthly contract suggests a provider is confident in the service. A long tie-in on something you have not tested suggests the opposite.

Setup fees are worth asking about too, since they are often waived if you simply ask.

One term people miss entirely is what happens to your call data if you leave. Ask whether you get your message history, how long they keep recordings afterwards, and whether those costs anything. Businesses discover this at the worst possible moment.

See how Answerpoint handles this for UK businesses

Every call answered live, in your business name, from £19.99/month.

Who is responsible if caller data leaks?

You are. Under UK GDPR your business is the data controller, and the answering service is a data processor, which means legal responsibility for your customers’ information stays with you even though someone else is handling the calls.

This is the part most buyer guides skip entirely, and it is the one with real consequences.

Article 28 of UK GDPR requires a written contract with any processor, usually called a data processing agreement, and it has to be in place before they start handling data. Not after the first month. Before.

What to ask, and what a good answer sounds like:

Will you sign a data processing agreement? A competent provider will already have one drafted and send it without hesitation.
Do you record calls, and where are recordings stored? You want a clear location and a stated retention period, not “on our systems”.
Do you use sub-processors? If they pass work to another company, the same obligations apply down the chain, and your provider stays liable for them.
How long do you keep recordings? Vague retention schedules are among the most cited failures in enforcement action.

None of this is exotic. It is a five-minute conversation, and a provider who cannot answer it has told you something important about how they run their business.

This is general information rather than legal advice. If you handle sensitive personal data, have your agreement reviewed properly.

How do you test a provider properly?

Take a trial and ring your own number as a customer would. Most providers offer two weeks, and most buyers waste it by only reading the message emails rather than testing the actual experience.

A trial that tells you something looks like this.

Ring during the busiest part of the day. Anyone answers at 11am on Tuesday. Try Monday at nine.
Ask something slightly awkward. Go off script deliberately and see whether the agent copes or freezes.
Ring outside hours. If you are paying for evening cover, test the evening cover.
Check the message that arrives. Is it detailed enough to act on without ringing the customer back for basics?
Time the delivery. A perfect message that arrives ninety minutes later has already cost you the urgent job.
That last point is the one that separates providers. Message quality varies a little between companies. Message speed varies enormously.

Which sales claims should you ignore?

Some claims in this industry sound like benefits and are not. Three come up often enough to be worth naming, and one of them we have seen argued the wrong way round on competitor websites.

“A different agent each time makes you look like a big company.” It does not. Regular callers notice when nobody recognizes them, and it reads as a call center. A small named team that learns your business is better, and providers offering it usually charge more for exactly that reason.
“We can give you a local presence anywhere.” Be careful here. Sounding local when you are not a short-term win that damages trust when customers work it out. Fine if you genuinely serve the area, questionable otherwise.
“24/7 availability” as a headline feature. Nearly everyone offers it. What matters is whether it is included in your quoted price, and usually it is not.

There is a general rule underneath these. If a claim is about how your business appears rather than how it works, treat it carefully. Impressions built on a misunderstanding tend not to survive the first real problem.

Frequently asked questions

1. How long should a trial period be?

Two weeks of real calls is usually enough to judge message quality, delivery speed and how agents handle awkward enquiries. Anything shorter only shows you the polished onboarding experience rather than normal service.

2. Should I choose per-call or per-minute pricing?

It depends on your average call length. Short calls of a minute or two suit per-minute billing. Longer calls of five minutes or more usually cost less on a per-call model. Check your phone bill before deciding.

3. Do I need a data processing agreement with my answering service?

Yes. Under UK GDPR Article 28, a written contract is required with any processor handling personal data on your behalf, and it must be in place before they start. Reputable providers have one ready to sign.

4. What should a good message from an answering service contain?

Caller name, number, what they wanted, any urgency, and enough detail that you can act without calling back for basics. If sample messages look thin during your trial, they will not improve later.

5. Can I change providers if it is not working?

Yes, and it is easier than most people expect. Your phone number stays with your own provider and is simply diverted, so switching means changing where calls are sent. Check your notice period before you start looking.

Call Handling